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Subtract 42/16 from 30/64

1st number: 30/64, 2nd number: 2 10/16

30/64 - 42/16 is -69/32.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 16 is 64

    Next, find the equivalent fraction of both fractional numbers with denominator 64
  2. For the 1st fraction, since 64 × 1 = 64,
    30/64 = 30 × 1/64 × 1 = 30/64
  3. Likewise, for the 2nd fraction, since 16 × 4 = 64,
    42/16 = 42 × 4/16 × 4 = 168/64
  4. Subtract the two like fractions:
    30/64 - 168/64 = 30 - 168/64 = -138/64
  5. After reducing the fraction, the answer is -69/32

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